Brooks was initially called for a common foul, but officials determined after review that Brooks' action met the criteria for a flagrant 2 foul, earning him an ejection early in the second half.
Second-year center Khaman Maluach has started all three games for the Suns, but Ighodaro saw more minutes in the first half of the opener before his injury.
Fette finished his first college start with 166 yards and two touchdowns without an interception. His lone turnover came when he fumbled the ball as he was sacked on his first dropback.
Jake Fette and the ASU offense came alive in the second half to push BYU to the brink, with fellow freshman Cardae Mack notching another 100-yard game.
